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474989 Thermal Regulator by Pentair | MasterTemp 125 Pool Heater Replacement Part
474989 Thermal Regulator by Pentair | MasterTemp 125 Pool Heater Replacement Part
474989 Thermal Regulator by Pentair | MasterTemp 125 Pool Heater Replacement Part
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474989 Thermal Regulator by Pentair | MasterTemp 125 Pool Heater Replacement Part

Marsoni M251S
Sale price$79.99
Pay 4 payments of $20.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
474989 Thermal Regulator by Pentair | MasterTemp 125 Pool Heater Replacement PartKeep your pool or spa at the ideal temperature with the Pentair Thermal Regulator 474989, purpose built for MasterTemp 125 heaters. This precision engineered component governs water temperature with accuracy, safeguarding against overheating while delivering steady, comfortable warmth. Fabricated from premium grade materials built to endure continuous use, this thermal regulator stands up to the demands of daily heater operation. Periodic inspection
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 2253 reviews
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Product Reviews
M
Verified Purchase
Mr. Christopher B. Kende
West Palm Beach, US
★★★★★ 5
Great fetch toy.
Size: Medium, Style: Squeaker
My dog loves these balls. They are a bit softer than the normal ones and bounce well. The squeaker is not too loud but definitely makes the ball more interesting. I highly recommend these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
V
Verified Purchase
Verucat
Belleville, US
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025
J
Verified Purchase
JJ Fording
Alexandria, US
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
S
Verified Purchase
Steve just Steve
Lexington, US
★★★★★ 5
Nice set of balls
Size: Medium
The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2026
C
Verified Purchase
Claudia Garfield
Phoenix, US
★★★★★ 5
Perfect ball
Size: Medium
Our dog loves these!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026

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